Dark sienna (#3C1414) and Indian yellow (#E3A857) appear together across 6 master palettes in our corpus, most prominently in the work of Vincenzo Irolli, Jehan Georges Vibert, and Juan Jiménez Martín and the Academic Art tradition. Painters typically deployed dark sienna at an average of 19% of the canvas, with indian yellow at 7%. Third colors most often completing the combination include Smoky black (#100C08), Copper (#B87333), and Seal brown (#59260B).